Curiosity Mars rover turns 10

Yusaku Maezawa, a Japanese billionaire and fashion retail mogul, arrived at the International Space Station for a 12-day stay on Wednesday. He is the latest privately funded traveler to the orbital laboratory in a year that has seen more tourists making voyages to space than ever before. Mr. Maezawa, the founder of Zozo, a Japanese…

WASHINGTON — Joe Biden was not Vincent Vertuccio’s first choice for president. But as a high school student on Long Island, Mr. Vertuccio organized hundreds of young people to help elect him, driven by a single issue: climate change. On Saturday, the day after Earth Day, Mr. Vertuccio expects to be outside the White House…

Symmetry runs rampant in nature. It’s present wherever mirror images are repeated, like in the right and left halves of elephants or butterflies, or in the repeating patterns of flower petals and starfish arms around a central point. It’s even hiding in the structures of tiny things like proteins and RNA. While asymmetry certainly exists…

Surfacing The Alps’ glaciers are melting, and these Swiss cartographers have work to do. By Zoey Poll Photographs and Video by Lucia Buricelli Every few years, Switzerland’s national mapping agency dispatches one of its planes to scour every centimeter of the Swiss Alps, the pilot looping back and forth to capture photographs of changes in…